Hualian, Taiwan Earthquake, Mw6.4

At 15:50 UTC (23:50 local time) on Tuesday February 6, an earthquake of moment magnitude Mw6.4 struck approximately 13.7 mi (22 km) north-northeast of Hualian, Taiwan (pop. ~106,000). At least seven multi-story buildings have partially collapsed or are tilted on their sides in Hualian City, including:. Yun Tsui residential building - the lower levels of the 12-story building pancaked and the building is leaning to one side. The Marshal Hotel - the bottom 2 levels pancaked. Mei Lun Hotel (Parkview Hotel) - building is damaged and is tilted. Platinum Twin Star Building on Guosheng Street - has been damaged and tilted. Wu-ju-wu-shu Building on Guosheng Street - has been damaged and tilted. Hualian hospital is reportedly damaged. Authorities report 195 schools have been damaged. The earthquake has also damaged several highways and bridges in and around Hualian City, including several roads that are buckled. Authorities confirmed 17 people have died and 291 injured. Authorities confirmed that around 830 people are residing in temporary shelters, and over 2,000 homes were without power for several hours. Approximately 40,000 residents were without water. The Mw6.4 earthquake was preceded by more than 100 smaller tremors in the past three days. Several tremors, including an Mw5.4 quake, have impacted the region since the Mw6.4 quake. USGS Earthquake Parameters. According to the USGS, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are unknown/miscellaneous types and adobe block construction. The USGS reports that recent earthquakes in this area have caused secondary hazards such as landslides that might contribute to losses. At 15:50 UTC on February 06, an earthquake of magnitude 6.4 struck around 11.2 mi (18 km) NNE of Hualian, Taiwan.. The United States Geological Survey (USGS) indicates a focal depth of 10.56 mi (17 km) with an epicenter at 24.1324°N, 121.6594°E.. According to the USGS ShakeMap, the maximum intensity of ground shaking experienced on the Modified Mercalli Intensity (MMI) scale was MMI VIII (Severe). MMI V (Moderate) shaking was felt by an estimated 67,826 people. MMI VI (Strong) shaking was felt by an estimated 13,510 people. MMI VII (Very Strong) shaking was felt by an estimated 207,997 people. This level of shaking was experienced in Hualien City. MMI VIII (Severe) shaking was felt by an estimated 2,504 people..

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